medea-jason 0.7.1

Client library for Medea media server.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

//! Platform-agnostic functionality of [`platform::RtcPeerConnection`].

use derive_more::{Display, From};

use crate::{
    platform::{self, RtcStatsError},
    utils::Caused,
};

/// Representation of [RTCSdpType].
///
/// [RTCSdpType]: https://w3.org/TR/webrtc#dom-rtcsdptype
#[derive(Debug)]
pub enum SdpType {
    /// [`offer` type][1] of SDP.
    ///
    /// [1]: https://w3.org/TR/webrtc#dom-rtcsdptype-offer
    Offer(String),

    /// [`answer` type][1] of SDP.
    ///
    /// [1]: https://w3.org/TR/webrtc#dom-rtcsdptype-answer
    Answer(String),
}

/// [RTCIceCandidate][1] representation.
///
/// [1]: https://w3.org/TR/webrtc#rtcicecandidate-interface
#[derive(Debug)]
pub struct IceCandidate {
    /// [`candidate` field][2] of the discovered [RTCIceCandidate][1].
    ///
    /// [1]: https://w3.org/TR/webrtc#dom-rtcicecandidate
    /// [2]: https://w3.org/TR/webrtc#dom-rtcicecandidate-candidate
    pub candidate: String,

    /// [`sdpMLineIndex` field][2] of the discovered [RTCIceCandidate][1].
    ///
    /// [1]: https://w3.org/TR/webrtc#dom-rtcicecandidate
    /// [2]: https://w3.org/TR/webrtc#dom-rtcicecandidate-sdpmlineindex
    pub sdp_m_line_index: Option<u16>,

    /// [`sdpMid` field][2] of the discovered [RTCIceCandidate][1].
    ///
    /// [1]: https://w3.org/TR/webrtc#dom-rtcicecandidate
    /// [2]: https://w3.org/TR/webrtc#dom-rtcicecandidate-sdpmid
    pub sdp_mid: Option<String>,
}

/// Error occurred with an [ICE] candidate from a `PeerConnection`.
///
/// [ICE]: https://webrtcglossary.com/ice
#[derive(Debug)]
pub struct IceCandidateError {
    /// Local IP address used to communicate with a [STUN]/[TURN] server.
    ///
    /// [STUN]: https://webrtcglossary.com/stun
    /// [TURN]: https://webrtcglossary.com/turn
    pub address: Option<String>,

    /// Port used to communicate with a [STUN]/[TURN] server.
    ///
    /// [STUN]: https://webrtcglossary.com/stun
    /// [TURN]: https://webrtcglossary.com/turn
    pub port: Option<u32>,

    /// URL identifying the [STUN]/[TURN] server for which the failure
    /// occurred.
    ///
    /// [STUN]: https://webrtcglossary.com/stun
    /// [TURN]: https://webrtcglossary.com/turn
    pub url: String,

    /// Numeric [STUN] error code returned by the [STUN]/[TURN] server.
    ///
    /// If no host candidate can reach the server, this error code will be set
    /// to the value `701`, which is outside the [STUN] error code range. This
    /// error is only fired once per server URL while in the
    /// `RTCIceGatheringState` of "gathering".
    ///
    /// [STUN]: https://webrtcglossary.com/stun
    /// [TURN]: https://webrtcglossary.com/turn
    pub error_code: i32,

    /// [STUN] reason text returned by the [STUN]/[TURN] server.
    ///
    /// If the server could not be reached, this reason test will be set to an
    /// implementation-specific value providing details about the error.
    ///
    /// [STUN]: https://webrtcglossary.com/stun
    /// [TURN]: https://webrtcglossary.com/turn
    pub error_text: String,
}

/// Errors that may occur during signaling between this and remote
/// [RTCPeerConnection][1] and event handlers setting errors.
///
/// [1]: https://w3.org/TR/webrtc#dom-rtcpeerconnection
#[derive(Caused, Clone, Debug, Display, From)]
#[cause(error = platform::Error)]
pub enum RtcPeerConnectionError {
    /// Occurs when cannot adds new remote candidate to the
    /// [RTCPeerConnection][1]'s remote description.
    ///
    /// [1]: https://w3.org/TR/webrtc#dom-rtcpeerconnection
    #[display("Failed to add ICE candidate: {_0}")]
    #[from(ignore)]
    AddIceCandidateFailed(platform::Error),

    /// Occurs when cannot obtains [SDP answer][`SdpType::Answer`] from
    /// the underlying [`platform::RtcPeerConnection`].
    #[display("Failed to create SDP answer: {_0}")]
    #[from(ignore)]
    CreateAnswerFailed(platform::Error),

    /// Occurs when a new [`platform::RtcPeerConnection`] cannot be created.
    #[display("Failed to create PeerConnection: {_0}")]
    #[from(ignore)]
    PeerCreationError(platform::Error),

    /// Occurs when cannot obtains [SDP offer][`SdpType::Offer`] from
    /// the underlying [`platform::RtcPeerConnection`].
    #[display("Failed to create SDP offer: {_0}")]
    #[from(ignore)]
    CreateOfferFailed(platform::Error),

    /// Occurs while getting and parsing [`platform::RtcStats`] of
    /// [`platform::RtcPeerConnection`].
    #[display("Failed to get RTCStats: {_0}")]
    RtcStatsError(#[cause] RtcStatsError),

    /// [PeerConnection.getStats][1] promise thrown exception.
    ///
    /// [1]: https://tinyurl.com/w6hmt5f
    #[display("PeerConnection.getStats() failed with error: {_0}")]
    #[from(ignore)]
    GetStatsException(platform::Error),

    /// Occurs if the local description associated with the
    /// [`platform::RtcPeerConnection`] cannot be changed.
    #[display("Failed to set local SDP description: {_0}")]
    #[from(ignore)]
    SetLocalDescriptionFailed(platform::Error),

    /// Occurs if the description of the remote end of the
    /// [`platform::RtcPeerConnection`] cannot be changed.
    #[display("Failed to set remote SDP description: {_0}")]
    #[from(ignore)]
    SetRemoteDescriptionFailed(platform::Error),
}